Assignee
WAKO TECHNICAL KK
JP·2 granted patents·8 citations·filing 1996–1998
Technology mixH03F2
Top patents by PatentIndex Score
2 records- 0126US5880632ATube amplifier having special configuration with two or more tubesWAKO TECHNICAL KK·Filed 1996·Granted Mar 9, 1999·5 cites·9 claims
- 0223US6111460AVacuum tube differential preamplifier having a transformer with a center tapWAKO TECHNICAL KK·Filed 1998·Granted Aug 29, 2000·3 cites·25 claims
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